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The accumulation of the electron density between the two nuclei lowers the potential energy during the formation of the bond. Compute the molar repulsion energy between two nitrogen's nuclei if they are separated by 1.1A? Presume that no electrons are present.
If the concentration of CO in the equilibrium mixture is 0.2 M, what mass of methanol was initially introduced into the vessel?
The enthalpy of combustion for propane is -2044 kJ/mol. How many liters of propane (at STP) must be burned in order to convert 359 grams of ice initially at -5°C to liquid water at 76°C
Consider the reaction 5Br^- (aq) + BrO3^-(aq)+ 6H^+(aq) ---> 3Br2(aq) + 3H2O(l) The average rate of consumption of Br^- is 1.15×10^?4 M/s over the first two minutes. What is the average rate of formation of Br2 during the same time interval
A high jumper of mass 80.0 kg consumes a meal of 2.00 103 kcal prior to a jump. If 3.3% of the energy from the food could be converted to gravitational potential energy in a single jump, how high could the athlete jump
Draw the structure of a compound c5h8o that reacts with phenyl-hydrazine, decolorizes bromine in dichlorometh, and does not give a positive iodoform test
A graduated cylinder contains 155 g of water. A 11.0 g piece of iron (density = 7.86 g/cm^3) and a 16.0 g piece of lead are added. What is the new water level in the cylinder?
Free radicals are important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the actions of sunlight on air pollutants, is formed in part by the following two steps.
You are looking for a range so you need to find the Ksp of the first test tube that did not have precipitate and the last test tube that had precipitate.
a mixture of 0.47 mole of H2 and 3.59 moles of HCl is heatedto 2800 degrees C. Calculate the equilibrium partial pressures of H2, Cl2,and HCl if the total pressure is 2.00 atm. For the reaction:
1.5000 g of diprotic weak acid H2A was dissolved in 100.00 mL volumetric flask. 25.00 mL aliquots of this solution was titrated with a monoprotic strong base NaH (0.0800 M). The titre volume of NaOH was 40.00 mL. Calculate the molecular weight of ..
Consider a house into which radon is emitted through cracks in the basement. The total volume of the house is 650 m3 (assume that the volume is well mixed throughout).
What will the partition function of this system reduce to at very low temp ( when kbt > delta e)?
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